Dev uses Claude to adapt Sudoku app to new iPhone Duo's dual screens in one conversation

SeanOliver · x · 2026-10-07

Developer SeanOliver shares how he used Claude to adapt his Sudoku app to the new iPhone Duo's two unfamiliar screen shapes: open in landscape (890×626) and closed in Safari (466×590). Both cut off the number keys.

He had Claude render fixes in the real app at both sizes and picked the best: moving the keypad beside the board in landscape, and merging two header rows into one when closed. Adapting an app to a new screen shape now takes a single conversation.

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